- Length LOA 52.5 ft (16 m)
- Beam 17.4 ft (5.3 m)
- Draft 7.9 ft (2.4 m)
- Weight 127,868 lb (58 t)
- Power 805 hp (600 kW)
- Top Speed 10 kn
- Length LOA 66.6 feet (20.3 m)
- Beam 19.7 feet (6.0 m)
- Draft 4.6 feet (1.4 m)
- Weight 66,139 lb (30 t)
- Power 2x 642 hp (2x 479 kW)
- Top Speed 30 kn (22 kn cruising)
- Length LOA 72 ft (22 m)
- Beam 20.3 ft (6.2 m)
- Draft 4.2 ft (1.5 m)
- Weight 88,185 lb (40 t)
- Power 2x 550 hp (2x 405 kW)
- Top Speed 28 kn